134545240 has 32 divisors (see below), whose sum is σ = 305514000. Its totient is φ = 53322624.

The previous prime is 134545223. The next prime is 134545249. The reversal of 134545240 is 42545431.

It is a junction number, because it is equal to n+sod(n) for n = 134545199 and 134545208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134545249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11070 + ... + 19789.

Almost surely, 2^134545240 is an apocalyptic number.

134545240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134545240 is an abundant number, since it is smaller than the sum of its proper divisors (170968760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134545240 is a wasteful number, since it uses less digits than its factorization.

134545240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30979 (or 30975 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 134545240 is about 11599.3637756560. The cubic root of 134545240 is about 512.4161147655.

The spelling of 134545240 in words is "one hundred thirty-four million, five hundred forty-five thousand, two hundred forty".